Intense gales hitting velocities of as high as 155km/h (96mph) have left approximately 90,000 properties experiencing outages and led authorities to call off in excess of 100 flights, based on domestic outlets.
These gusts are affecting the complete southern region and southern parts of the North Island, as stated by the weather forecasting body.
Officials in New Zealand have announced rare severe gust advisories - the most severe warning - in central regions such as Canterbury and Wellington.
Locals have been advised to stay indoors, refrain from journeys, and get ready for additional electricity and network failures.
Broad Destruction and Crisis Response
This outage is primarily influencing households mostly in the southern region, while agencies state that energy was being gradually reinstated.
Local media have reported that in various locations structures have suffered roof damage, while power lines and trees have been toppled by the gales.
In Wellington, a person was fatally injured after being impacted by a wooden fragment at a frequent walking route on Tuesday.
Additionally in the city, a female was blown onto approaching vehicles on a street by a intensive burst, in a event that was filmed in a viral dashcam video.
Air travel in and out of the metropolis have been suspended as a result of the gusts, and some roads and libraries are not operating.
At the same time Canterbury officials have declared a emergency situation, to assist disaster response efforts.
Labor Protests During Extreme Weather
The powerful gales on Thursday come as numerous of school staff, physicians and civil servants are engaged in what has been termed a "mega strike", calling for improved salaries and workplace environments.
Yet the intense climate has forced them to modify some of their plans, with various open-air gatherings moved indoors or cancelled.
Similar gusts are affecting Australia, causing a heatwave to the remote areas.
Authorities have announced burning restrictions for concern about wildfires.